#384DD3
Closest named color: Warm Blue (#4B57DB). oklch(49.2% 0.206 270), rgb(56, 77, 211).
Aa
White text reads best on this color (6.62:1).
About this color
#384DD3 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.206 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.037 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.206) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #384DD3 |
| RGB | rgb(56, 77, 211) |
| HSL | hsl(232, 64%, 52%) |
| OKLCH | oklch(49.2% 0.206 270) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #384DD3 | 6.62:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #384DD3 | 3.17:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #384DD3 text on white | 6.62:1 | AA | Lc 82.1 | Fine for body text |
| #384DD3 text on black | 3.17:1 | AA large text | Lc -19.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FE
oklch(93.5% 0.029 271.1)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7C99FF
oklch(70.6% 0.153 270.2)
-
Step 500
500
#5D7CFF
oklch(63.2% 0.197 269.9)
-
Step 600
600
#455FF2
oklch(55.7% 0.221 269.9)
-
Step 700
700 (this color)
#384DD3
oklch(49.2% 0.206 270)
-
Step 800
800
#2E40AA
oklch(42.7% 0.17 270.1)
-
Step 900
900
#283887
oklch(37.7% 0.133 270.1)
-
Step 950
950
#17224F
oklch(27.1% 0.084 269.7)
#384DD3 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0064D7 | 0.056 |
| Deuteranopia (no green cones) | #0055D0 | 0.035 |
| Tritanopia (no blue cones) | #007089 | 0.162 |
| Achromatopsia (no color) | #5D5D5D | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384DD3
#384DD3
oklch(49.2% 0.206 270)
- #775D00
#775D00
oklch(49.1% 0.1 89.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #384DD3, closest first.
No curated palette has a color within ΔE 0.04 of #384DD3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.037
- Blue Blue #2242C7 ΔE 0.042
- Majorelle Blue #3F37C9 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Blurple #5539CC ΔE 0.053
- Azul #1D5DEC ΔE 0.053
- Neon Blue #4361EE ΔE 0.065
- Bluey Purple #6241C7 ΔE 0.065
Use #384DD3 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.